invincible! Burgundy france,

First this glitch involves two people. Have the first person go to the German building with the MG 42. Then go to the corner right  next to the couch. Next have the second person go to the German building too. Then jump on the couch and face the first person. Jump and crouch in the air and land in the corner with the first person. Then both of you should be shaking against each other. You can only stay in the same corner to be invincible. Have someone on the other team try to kill you but you will not die unless three grenades.